In my expierience it is the billow alluminium ones that slide directly o the oil filter. They are readily available on ebay. It works just as good if not better than any other option ever sold. I know from experience.
Sunoco, makes Harley Davidson engine oil
No.
Harley Davidson recommends it (Citco I think) but No!!! Just use the correct weight for your motor, time of year and how you ride it!
Champion
Black
Harley Motorcycle
harley recommends 20/50
how much oil is required to change oil and filter in a 1997 Harley Davidson Sportser
Depends, what year??
amsoil 10w 30 the best money can buy
Harley-Davidson stopped making 2-stroke models domestically in 1966 (the final model was the Bobcat) and the last imported 2-stroke Harley-Davidsons were made in 1978 by Aermacchi of Italy. No Harley-Davidson models manufactured since then require mixing oil with their gasoline.
2.5 qts